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In order to update to the latest java version on Ubuntu you need to download the latest tar ball from the Java website www.java.com Unzip this using the command: tar zxvf jdk-8u66-linux-x64.tar.gz -C /usr/java Next tell the system that there

By default root user account is disabled for login in Ubuntu. Steps mentioned below will allow you to enable the root user and login as root on the OS. Login to your account and open Terminal sudo passwd root Type

User and roles Apart from some authentication systems, MongoDB has users and roles which can be applied to different databases. First, let’s see how to create an admin user for admin database with god-like (root) permissions. Root permissions for all

MongoDB by default doesn’t provide any authentication mechanism and therefore it is required to activate one by tweaking the configuration file and issuing some commands in the mongodb. Today I will show you how to activate authentication on MongoDB. Create

1. Test rsync over ssh (with password): Do a rsync to make sure it asks for the password for your account on the remote server, and successfully copies the files to the remote server. The following example will synchronize the

TokuDB is a drop-in replacement for any other storage engine (including InnoDB) so you can switch engines without changing your application. TokuDB is open source, and is available in both a Community Edition and an Enterprise Edition. It is one of

Need might arise to turn off transparent_hugepages which is by default ON in Ubuntu 14.04 LTS Server Version. This might apply to the other distro’s and also to other versions of Ubuntu. Checking transparent_hugepages To check if transparent_hugepages is on